分子、原子知识是初中化学的重要知识,也是学生在学习化学过程中遇到的拦路虎。它不仅能带领学生走入神奇的微观世界,学会从微观的角度认识事物,探究物质构成的奥秘,还能为学生们进一步学习原子的结构、元素、质量守恒定律等知识打下坚实的基础。由于它看不见、摸不着,很抽象,所以很多学生都觉的这部分知识难学、难理解。以下几种方法可以帮助学生攻破这个难点,轻松的走进微观世界。 Molecular, atomic knowledge is an important knowledge of junior high school chemistry, but also students stumbling block in learning chemistry process. It can not only lead the students into the miraculous microscopic world, learn to understand things from the microscopic point of view, explore the mysteries of the material composition, but also lay a solid foundation for students to further learn the atomic structure, elements and the law of conservation of mass. Because it can not see, touch, abstract, so many students feel this part of the knowledge difficult to learn, difficult to understand. The following methods can help students overcome this difficulty, easily into the micro-world.